U0316: Incompatibilidade de software com o módulo de controle da dinâmica do veículo
O que fazer
Your stability control and traction control are switched off. The car drives and brakes normally — there is just nothing catching a mistake now.
Leave more room in the wet, take roundabouts and wet junctions gently, and expect wheelspin to be yours to manage. If the back of the car steps out, nothing is going to help.
Nothing is broken. This code means two computers are running software that does not belong together, and the car has switched the system off deliberately.
That is the right decision rather than an over-reaction. Stability control works by comparing what you asked the car to do with what it is actually doing, and every threshold in that comparison is written for your car's exact weight, wheelbase, tyre size and suspension. A system running another car's numbers would brake a wheel that did not need it, at speed — which is worse than doing nothing.
One thing to expect after it is fixed, so you do not think the repair failed. The steering angle and motion sensors have to be re-zeroed afterwards — car stationary, wheels straight, on level ground. Until that is done the warning light stays on and the system stays off. It is a five-minute procedure, not a second fault.
O que este código significa
A module is running software that does not belong with the vehicle dynamics module's. See U0300 for the family and U0315 for the braking foundation this system is built on.
Stability control is a comparison rather than a mechanism. It takes what the driver asked for — steering angle, throttle, brake — and what the vehicle is actually doing — yaw rate, lateral acceleration, individual wheel speeds — and intervenes when the two diverge. Every threshold in that comparison is software, and every one of them is specific to the vehicle's mass, wheelbase, track, centre of gravity height, tyre size and suspension.
Which is why a mismatch here disables the system rather than degrading it. A stability system running thresholds written for a different vehicle would intervene at the wrong moments — braking a wheel that did not need it, or failing to brake one that did — and an intervention delivered wrongly at speed is worse than none at all. Switching off is the correct answer.
So the practical instruction is short: the vehicle now has the handling limits it has, with nothing catching a mistake. Leave more margin in the wet, expect no help if the back steps out, and remember that traction control has almost certainly gone with it — so wheelspin pulling out of a wet junction is now the driver's to manage.
One thing is worth expecting after this is repaired rather than being mistaken for a new fault. The steering angle sensor and the yaw and lateral acceleration sensors must be re-zeroed after the software is corrected — the vehicle stationary, wheels straight, on level ground. Until that is done the warning lamp stays on and the system stays off, which looks exactly like a repair that did not work and is a five-minute procedure.
Causas prováveis
Comece aqui
- Software atualizado em apenas um módulo · especializado
- Configuração do módulo errada após a substituição · especializado
- Módulo usado bloqueado em outro veículo · especializado
- Sensor não calibrado após a substituição · especializado
Menos comum
- Módulo não codificado para o veículo · especializado
- Calibração de software desatualizada · especializado
Sintomas
Componentes envolvidos
Informação, não instrução
O CarGeek é uma referência, não um manual de serviço. Suas páginas são escritas a partir de fontes públicas e do que outras pessoas constataram, nunca a partir da documentação de serviço do fabricante, de modo que podem estar erradas ou incompletas para o seu veículo específico. Parte do que descrevem envolve risco real: alta tensão, combustível sob pressão, energia acumulada e peças quentes ou em movimento.
Antes de agir com base em qualquer orientação, peça a verificação de uma pessoa com formação técnica, seguindo o procedimento do próprio fabricante para o seu veículo. Nada aqui substitui esse procedimento.
Experiência da comunidade
Seja o primeiro a documentar isto
Ainda não há publicações sobre isto. Vale a pena anotar tudo o que você descobriu — até um beco sem saída poupa a mesma tarde de outra pessoa.
O que faz valer a leitura:
- O carro — marca, modelo, ano e motor. A mesma falha se comporta de forma diferente em cada um.
- O que você mediu, não só o que trocou.
- O que realmente resolveu — ou que nada resolveu, o que também vale saber.
Entrar ou criar uma conta para adicionar o que você descobriu sobre U0316.